Search results
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Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19
and SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through ... the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ... , concentrated fishing on the slope south of 70° S on the traditional fishing grounds, with some expansion of ... respect to the current management areas. The median and 90 th percentile of the scaled length ...
Meeting Document : WG-FSA-2019/07 : Author(s): J. Devine, S. Parker and A. Dunn
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Density and biomass of Antarctic krill around South Shetland Islands using by 2-dB difference method
was performed at seven stations. Using the difference between the dB values of two volume ... Abstract: The dB-difference and characteristics of krill aggregation inhabiting Subarea 48.1 ... , which includes the Elephant Island peripheries and the west and south of the South Shetland Islands ... Antarctic krill (4.9 to 12.0 dB) and fish (-4.0 to-0.2 dB). The distributions and mean Sv of krill ...
Meeting Document : SG-ASAM-17/04 : Author(s): S.-G. Choi, K. Lee and D. An
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The integrated Antarctic expedition of the YugNIRO in the season of 1989–1990: main results of the ichthyological studies
taken on the shelf of Antarctica, at Ob and Lena Seamounts (referred to as Banks in the Russian usage ... Ocean sector of the Antarctic in the season of 1989-1990, information is presented in this paper on ... ichthyofauna, size–weight composition and main parameters of the biological state of the more abundant fishes ... ), and in the zone of the Southern Polar front. In the shelf area, of Cooperation Sea, localities of ...
Meeting Document : WG-FSA-90/39 : Author(s): A.K. Zaitsev, V.G. Prutko and V.N. Yakovlev (YugNIRO, USSR)
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Benchmarking CCAMLR
cohesive structure and apportioning of their work schedules. The discussions to be held at the 2016 ... WG-SAM and WG FSA has not been reviewed by Scientific Committee. Author(s): Delegation of the United ...
Meeting Document : SC-CAMLR-XXXV/BG/31 : Author(s): Delegation of the United Kingdom
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Depletion-based stock reduction analysis: a catch-based method for determining sustainable yields for data-poor fish stocks
for data-poor fisheries in cases where approximate catches are known from the beginning of ... -Reduction Analysis with Depletion-Corrected Average Catch. Data requirements include estimates of historical ... annual catches, approximate natural mortality rate and age at maturity. A production function is ... specified based on general fishery knowledge of the relative location of maximum productivity and the ...
Meeting Document : WG-SAM-11/P2 : Author(s): E.J. Dick and A.D. McCall
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... ascidians) such that communities of many ‘light’ VME taxa have little to no chance of meeting this criterion ... types of communities where sponges and other heavy taxa occur. A clear example can be made of CITES ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ...
Meeting Document : WG-EMM-12/51 : Author(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
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Results of research into distribution and status of stocks of target species in the Convention Area – Atlantic, Indian and Pacific Ocean sectors of the Antarctic
, modal length and weight, growth patterns, length and age at maturity, sex ratio, period of spawning ... results of more than 130 research cruises are summarised according to the three major sectors: the ... : • location, period of time and main objects of research cruises, • average annual hydrometeorological ... , • particulars of bioproductivity cycle. The Atlantic Sector has be en studied more thoroughly. The biology and ...
Meeting Document : SC-CAMLR-III/INF. 10 : Author(s): USSR Delegation
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Estimating uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks
estimates. For Patagonian toothfish in Subarea 58.4 the confidence intervals of both methods overlapped in ... underlying assumptions currently made in one or both of the methods are likely to be invalid. We recommend ... estimation methods at the Research Block scale and prioritise resolving issues in Research Blocks that show ... uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks ...
Meeting Document : WG-SAM-17/12 : Author(s): L. Robinson, P. Burch and K. Reid
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Krill distribution patterns in the Atlantic sector of the Antarctic during the CCAMLR-2000 Survey
adult krill larger than 50 mm mean size was found to the north of cluster 2, but at the same time was ... Abstract: The international CCAMLR Survey 2000 was conducted to support an updated estimate of ... the large scale krill biomass in the South Atlantic Sector of the Antarctic. Four vessels from Japan ... of acoustic targets. Analyses on the combined data sets from the net sampling program indicate that ...
Meeting Document : WG-EMM-00/6 Rev. 1 : Author(s): V. Siegel (Germany), S. Kawaguchi (Japan), F. Litvinov (Russia), V. Loeb (USA) and J. Watkins (United Kingdom)
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Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps
bransfieldensis during 45 days of the austral summer at Jubany Station, King George Island, South Shetland Islands ... improve the accuracy of weight estimations of fish ingested, calculated y means of equations based on ... otolith-lengths. The shag produced a total of 16 pellets, with a frequency of 1 every 2.5 days. It ... ingested willingly a mean ration equivalent to 31% of its mass, which is a higher energy requirement than ...
Meeting Document : WG-CEMP-94/29 : Author(s): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)